package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.itheima.reggie.common.R;
import com.itheima.reggie.config.RedisConfig;
import com.itheima.reggie.entity.User;
import com.itheima.reggie.service.UserService;
import com.itheima.reggie.utils.ValidateCodeUtils;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.PropertySource;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.util.Map;
import java.util.concurrent.TimeUnit;

@Slf4j
@RestController
@RequestMapping("/user")
public class UserController {
    @Autowired
    private UserService userService;
    @Autowired
    private RedisTemplate redisTemplate;
    /**
     * 发送手机短信验证码
     * @param user
     * @param session
     * @return
     */
    @PostMapping("/sendMsg")
    public R sendMag(@RequestBody User user, HttpSession session){
    //获取phone
    String phone = user.getPhone();
    boolean notEmpty = StringUtils.isNotEmpty(phone);
    if (notEmpty){
        //生成随机的4位验证码
        String code = ValidateCodeUtils.generateValidateCode(4).toString();
        log.info("code:{}",code);
        //调用阿里云提供的短信服务API完成发送短信
        //SMSUtils.sendMessage("瑞吉外卖","",phone,code);
        //需要将生成的验证码保存到Session
//        session.setAttribute(phone,code);
        //将生产的验证码存入到redis中
        redisTemplate.opsForValue().set(phone,code,5, TimeUnit.MINUTES);
        return R.success("手机验证码短信发送短信成功");
    }
    return R.error("短信发送失败") ;
    }

    /**
     * 移动端用户登陆
     * @param map
     * @param session
     * @return
     */
    @PostMapping("/login")
    public R<User> login(@RequestBody Map map,HttpSession session){
    log.info(map.toString());
    //获取手机号
        String phone = map.get("phone").toString();
        String code = map.get("code").toString();
        //从session中获取验证码
//        Object attribute = session.getAttribute(phone);
        //从redis中获取验证码
        Object codeInsession = redisTemplate.opsForValue().get(phone);
        //对验证码进行比对
        if (codeInsession != null && codeInsession.equals(code)){
            //如果验证码相同，那么登陆成功
            LambdaQueryWrapper<User> lqw = new LambdaQueryWrapper<>();
            lqw.eq(User::getPhone ,phone);
            User user = userService.getOne(lqw);
            if (user ==null){
                //判断是否是新用户
                user = new User();
                user.setStatus(1);
                user.setPhone(phone);
                userService.save(user);
            }
            session.setAttribute("user",user.getId());
            //登陆成功删除redis中的验证码
            redisTemplate.delete(phone);
                return R.success(user);
        }
        return R.error("登录失败");
    }

    @PostMapping("/loginout")
    public R logout(HttpSession session){
            log.info("退出");
            session.removeAttribute("user");
        return R.success("退出成功");
    }
}
